let a={
    add(){
        let b=0;
        for (let i=0;i<arguments.length;i++){
            b+=arguments[i]
        };
        console.log(b)
    },
    print(){
        console.log(this.add)
    },
    setee(type){
        this.add=type;
        console.log(this.add)
    }
}
a.print();
let c ={
    add:5
}
a.setee.call(c,200)
console.log(c)